Product Description Concrete Pump Cleaning Ball  1.Size: 50-300mm  2.ISO 9001:2001  3.Color: Orange  4.Material: Natural Rubber Concrete Pump Cleaning Ball   Specifications Material:Natural Rubber Color:Red,brown,blue,etc Shape:Globular & cylinder Hardness:Soft ,medium soft,hard Size: DN100/125/150/175/200/225/250/300mm Packaging:as customer's requirement Function:Used to clean up the concrete pump truck pipe and pump to drag pump pipe Payment Terms:T/T L/C D/P etc shipping:7-10 workdays after the orders Sample Free Application: (1) Pump truck: Concrete pipe cleaning (2) Pump: pipe cleaning (3) Drag pump:Drag pump pipe cleaning  Feature   1. It is mainly used for cleaning all kinds of diameter of pump pipe cleaning tool,      maintenance of pipeline cleaning, made channel is more unblocked, unimpeded. 2. Greatly improving the work efficiency. 3. Prolong the service life of the various diameter pipe .